21.
What is this hacku thing?Talks all week about different things you can hack on24-hour hack dayGo build that project that you have been sitting onYou own what you build. Period.Win prizes, eat free food, meet Yahoo! hackers

Have a linux box that you have access to : An old computer. Install Ubuntuhttp://www.ubuntu.com/getubuntu/download-server. Make sure you can access it from everywhere (static IP, unblocked port 80) If dynamic IP, setup dyndns.org account Plan on appengine.Plan on local machine (HTML + YQL)

25.
IdeasFix something you use every dayBuild your own targeted Search EngineImprove the look of search results – SearchMonkeySemantic Web toolsGo local - tools for helping your local communityHack for Good - Make the world a better place